Question

what happens to the pH solution in kolbe's electrolysis?

Answer 1

Due to the production of KOH (alkali),the pH of the solution increases progressively as the reaction proceeds.

Answer 2

● Answer -
In Kolbe's electrolysis, pH of solution increases as reaction moves forward.

● Kolbe electrolysis -
- It is electrochemical oxidative decarboxylation of carboxylic acid salts that leads to radicals, which dimerize.
- Aqueous soln of sodium/potassium salt of carboxylic acid on electrolysis gives alkane containing even no of C-atoms.
2RCOONa + 2H2O --> R-R + 2CO2 + 2NaOH + H2
- Formation of NaOH/KOH in this reaction increases pH of the solution as reaction proceeds.

Hope this helps you...